Virtual telephone extension | Patent Number 10869188
US 10869188 B1Filled DateOct 7, 2019
Priority DateJan 2, 2002
Publication Date-
Expiration DateJan 2, 2022
Inventor/ApplicantsJean-Francois Catz
Tony Chan
Jean Vincent
Tony Chan
Jean Vincent
ExaminesNGUYEN, QUYNH H
Art Unit2652
Technology Center2600
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